<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title><%= title %></title>

    <link rel="stylesheet" type="text/css" href="/stylesheets/bootstrap.min.css" />
    <link rel="stylesheet" type="text/css" href="/stylesheets/signin.css" />
</head>

<body>

<div id="container" class="container">
    <% if (locals.success) { %>
    <div id="alt_sucess" class="alert alert-success">
        <%- success %>
    </div>
    <% } %>

    <% if (locals.error) { %>
    <div id="alt_warning" class="alert alert-warning">
        <%= error %>
    </div>
    <% } %>

    <form class="form-signin" role="form" method="post">
        <h2 class="form-signin-heading">注册</h2>

        <input id="txtUserName" name="txtUserName" type="text" class="form-control" placeholder="用户名" required autofocus />
        <input id="txtUserPwd" name="txtUserPwd" type="password" class="form-control" placeholder="密码" required/>
        <input id="txtUserRePwd"  name="txtUserRePwd" type="password" class="form-control" placeholder="重复密码" required/>

        <button id="btnSub" class="btn btn-lg btn-primary" type="submit">注  册</button>
        <a class="btn btn-link" href="/login" role="button">登  录</a>
    </form>

</div>
</body>
</html>

<script src="/javascripts/jquery-3.2.1.min.js" type="text/javascript"></script>

<script type="text/javascript">
    String.prototype.format = function (args) {
        var result = this;
        if (arguments.length > 0) {
            if (arguments.length == 1 && typeof (args) == "object") {
                for (var key in args) {
                    if (args[key] != undefined) {
                        var reg = new RegExp("({" + key + "})", "g");
                        result = result.replace(reg, args[key]);
                    }
                }
            }
            else {
                for (var i = 0; i < arguments.length; i++) {
                    if (arguments[i] != undefined) {
                        var reg = new RegExp("({)" + i + "(})", "g");
                        result = result.replace(reg, arguments[i]);
                    }
                }
            }
        }
        return result;
    }

    $(function(){
        $('#btnSub').on('click',function(){
            var
                $txtUserName = $('#txtUserName'),
                txtUserNameVal = $.trim($txtUserName.val()),
                $txtUserPwd = $('#txtUserPwd'),
                txtUserPwdVal = $.trim($txtUserPwd.val()),
                $txtUserRePwd = $('#txtUserRePwd'),
                txtUserRePwdVal = $.trim($txtUserRePwd.val()),
                errorTip = '<div id="errorTip" class="alert alert-warning">{0}</div> ';

            $("#errorTip,#alt_sucess,#alt_warning").remove();

            if(txtUserNameVal.length == 0)
            {
                $("#container").prepend(errorTip.format('用户名不能为空'));
                $txtUserName.focus();
                return false;
            }

            if(txtUserPwdVal.length == 0)
            {
                $("#container").prepend(errorTip.format('密码不能为空'));
                $txtUserPwd.focus();
                return false;
            }

            if(txtUserRePwdVal.length == 0)
            {
                $("#container").prepend(errorTip.format('重复密码不能为空'));
                $txtUserRePwd.focus();
                return false;
            }

            if(txtUserPwdVal != txtUserRePwdVal)
            {
                $("#container").prepend(errorTip.format('两次密码不一致'));
                $txtUserPwd.focus();
                return false;
            }

            return true;
        })
    });

</script>